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Diffusion models over discrete spaces have recently shown striking empirical success, yet their theoretical foundations remain incomplete. In this paper, we study the sampling efficiency of score-based discrete diffusion models under a…

Machine Learning · Computer Science 2026-02-17 Daniil Dmitriev , Zhihan Huang , Yuting Wei

Estimating the transition dynamics of controlled Markov chains is crucial in fields such as time series analysis, reinforcement learning, and system exploration. Traditional non-parametric density estimation methods often assume independent…

Statistics Theory · Mathematics 2025-05-21 Imon Banerjee , Vinayak Rao , Harsha Honnappa

Diffusion language models (DLMs) have recently emerged as a promising alternative to autoregressive (AR) approaches, enabling parallel token generation beyond a rigid left-to-right order. Despite growing empirical success, the theoretical…

Machine Learning · Computer Science 2026-02-24 Yunxiao Zhao , Changxiao Cai

As AI agents powered by large language models (LLMs) increasingly use external tools for high-stakes decisions, a critical reliability question arises: how do errors propagate across sequential tool calls? We introduce the first theoretical…

Artificial Intelligence · Computer Science 2026-02-17 Flint Xiaofeng Fan , Cheston Tan , Roger Wattenhofer , Yew-Soon Ong

Recent advances in Large Language Models (LLMs) have driven interest in automating cybersecurity penetration testing workflows, offering the promise of faster and more consistent vulnerability assessment for enterprise systems. Existing LLM…

Cryptography and Security · Computer Science 2025-11-19 Katsuaki Nakano , Reza Fayyazi , Shanchieh Jay Yang , Michael Zuzak

While Large Language Models (LLMs) have substantially improved the functional correctness of code translation, the critical dimension of \textit{execution efficiency} remains overlooked. We present \textbf{\textsc{trace}}, the first…

Software Engineering · Computer Science 2026-04-15 Zhihao Gong , Zeyu Sun , Dong Huang , Qingyuan Liang , Jie M. Zhang , Dan Hao

While Large Language Models (LLMs) have substantially improved the functional correctness of code translation, the critical dimension of \textit{execution efficiency} remains overlooked. We present \textbf{\textsc{trace}}, the first…

Software Engineering · Computer Science 2026-03-20 Zhihao Gong , Zeyu Sun , Dong Huang , Qingyuan Liang , Jie M. Zhang , Dan Hao

Large Language Models (LLMs) are increasingly deployed in sensitive domains such as healthcare, finance, and law, yet their integration raises pressing concerns around trust, accountability, and reliability. This paper explores adaptive…

Software Engineering · Computer Science 2026-01-15 Tejaswini Bollikonda

The miscalibration of Large Reasoning Models (LRMs) undermines their reliability in high-stakes domains, necessitating methods to accurately estimate the confidence of their long-form, multi-step outputs. To address this gap, we introduce…

Computation and Language · Computer Science 2026-01-22 Reza Khanmohammadi , Erfan Miahi , Simerjot Kaur , Ivan Brugere , Charese H. Smiley , Kundan Thind , Mohammad M. Ghassemi

Agents built on large language models (LLMs) rely on a range of reliability techniques, including retry, majority voting, and self-consistency, that have been developed in parallel rather than within a common analytical framework. We…

Machine Learning · Computer Science 2026-05-12 Hamed Omidvar , Vahideh Akhlaghi

Large language model (LLM) agents with tool-calling capabilities are increasingly deployed in production systems, yet a fundamental reliability question remains under-explored: does the same agent behave the same way twice? We present a…

Computation and Language · Computer Science 2026-05-29 Abel Yagubyan

The reliable computation time (RCT, marked as Tc) when applying a double precision computation of a variable parameters logistic map (VPLM) is studied. First, using the method proposed, the reliable solutions for the logistic map are…

Chaotic Dynamics · Physics 2017-04-28 Wang Pengfei , Pan Xinnong

LLMs are increasingly explored for malware analysis; however, current LLM-based malware attribution remains limited by unsupported indicators and insufficient code-level grounding for identifying malicious and vulnerable code segments. To…

Cryptography and Security · Computer Science 2026-05-08 Christopher G. Pedraza Pohlenz , Hassan Jalil Hadi , Ali Hassan , Ali Shoker

The landscape of Large Language Models (LLMs) shifts rapidly towards dynamic, multi-agent systems. This introduces a fundamental challenge in establishing computational trust, specifically how one agent can verify that another's output was…

Artificial Intelligence · Computer Science 2025-09-16 Zan-Kai Chong , Hiroyuki Ohsaki , Bryan Ng

High-privilege LLM agents that autonomously process external documentation are increasingly trusted to automate tasks by reading and executing project instructions, yet they are granted terminal access, filesystem control, and outbound…

Cryptography and Security · Computer Science 2026-03-13 Ching-Yu Kao , Xinfeng Li , Shenyu Dai , Tianze Qiu , Pengcheng Zhou , Eric Hanchen Jiang , Philip Sperl

Large Language Models (LLM) have been widely used in reranking. Computational overhead and large context lengths remain a challenging issue for LLM rerankers. Efficient reranking usually involves selecting a subset of the ranked list from…

Information Retrieval · Computer Science 2026-05-29 Nilanjan Sinhababu , Soumedhik Bharati , Debasis Ganguly , Pabitra Mitra

Maximum Likelihood Estimation (MLE) and Likelihood Ratio Test (LRT) are widely used methods for estimating the transition probability matrix in Markov chains and identifying significant relationships between transitions, such as equality.…

Methodology · Statistics 2024-06-04 Yining Zhou , Ming Gao , Yiting Chen , Xiaoping Shi

Large language models (LLMs) are increasingly used as generators in iterative neural architecture search (NAS), yet no formal convergence theory exists for this class of algorithms. We model iterative LLM-NAS as a parametric Cross-Entropy…

Machine Learning · Computer Science 2026-05-29 Santosh Premi Adhikari , Radu Timofte , Dmitry Ignatov

Large language models (LLMs) have rapidly advanced and demonstrated impressive capabilities. In-Context Learning (ICL) and Parameter-Efficient Fine-Tuning (PEFT) are currently two mainstream methods for augmenting LLMs to downstream tasks.…

Computation and Language · Computer Science 2024-11-21 Luohe Shi , Yao Yao , Zuchao Li , Lefei Zhang , Hai Zhao

Large language models (LLMs) have demonstrated strong reasoning capabilities through step-by-step chain-of-thought (CoT) reasoning. Nevertheless, at the limits of model capability, CoT often proves insufficient, and its strictly sequential…

Computation and Language · Computer Science 2026-02-03 Xiao Liang , Zhong-Zhi Li , Zhenghao Lin , Eric Hancheng Jiang , Hengyuan Zhang , Yelong Shen , Kai-Wei Chang , Ying Nian Wu , Yeyun Gong , Weizhu Chen